The investment world's love affair with ETFs continued in 2010, as more than 1,000 funds accounted for $940 billion in assets. Here's a review of the best and the worst performers, and a few reminders about how to use these investment vehicles safely. Continue reading ETFs in 2010: The Winners, the Losers and the Warnings ETFs in 2010: The Winners, the Losers and the Warnings originally appeared on DailyFinance on Sat, 04 Dec 2010 06:00:00. Filed Under: Investing , ETFs , Investing Basics Permalink | Tweet this! | Comments